Intense gusts hitting speeds of as high as 155km/h (96mph) have caused nearly 90,000 properties lacking electricity and led agencies to halt more than 100 flights, according to regional news sources.
The gales are influencing the complete southern region and lower areas of the North Island, as stated by the weather forecasting body.
The nation's agencies have released rare red wind warnings - the top caution category - in central regions including Wellington and Canterbury.
Locals have been urged to remain inside, avoid travel, and make arrangements for further utility disruptions.
Broad Impact and Crisis Response
The electricity loss seems to be impacting residences mainly in the South Island, although agencies report that power was being slowly brought back.
Regional news have reported that in various locations roofs have been ripped off houses, whereas trees and electricity poles have been knocked down by the winds.
In Wellington, a person was fatally injured after being struck by a tree branch at a frequent walking route on Tuesday.
Additionally in the city, a individual was pushed toward approaching vehicles on a thoroughfare by a intensive burst, in a incident that was filmed in a widely shared car camera footage.
Flights to and from the metropolis have been cancelled due to the gusts, whereas certain highways and community centers are not operating.
At the same time Canterbury officials have issued a emergency situation, to assist disaster response efforts.
Labor Protests Alongside Extreme Weather
The powerful gales on this day occur while many of school staff, physicians and civil servants are participating in what has been called a "major walkout", demanding better pay and working conditions.
But the extreme weather has compelled them to change some of their plans, with several external protests moved indoors or abandoned.
Comparable winds are impacting Australia, causing a heatwave to the nation's interior regions.
Authorities have issued burning restrictions for concern about bushfires.
